Theodore Roosevelt was a great lover of nature long before he became President. From boyhood throughout his adult life, Roosevelt's enthusiasm for conservation was encouraged and shaped by several influential figures, as explained in a new video.

While supernovae are some of the most energetic phenomena known to science, a great deal of mystery still surrounds their origins. In this podcast from a recent “Frontiers in Astrophysics,” postdoctoral fellow Joanne Bibby and Richard Gilder Graduate School student Graham Kanarek introduce the theory that predicts massive stars as supernova progenitors, and discuss how scientists might confirm such a theory in the future.

The talk, “Spectacular Supernovae” was introduced by Department of Astrophysics Curator Michael Shara, and took place at the museum on October 15, 2012.

Making its U.S. premiere at the Museum’s 2012 Margaret Mead Film Festival, Himself He Cooks chronicles a day in the life of the Golden Temple of Amritsar, India, where every day tens of thousands of visitors are fed by hundreds of volunteers. Watch the trailer here.

Most moth species are very small and are active only at night, so we don't often get to examine them up close. But in Winged Tapestries: Moths at Large, a new exhibition of oversized prints by Canadian artist Jim des Rivières, visitors can pore over the insects in glorious detail.